Natural Gas Technologies - Solutions for the Natural Gas Industry - page 15

PRX Series
Regulator Pilots
The PRX Series pilots are mainly used in
natural gas applications.
They have a double diaphragm
which provides increased accuracy
and sensitivity, an integral damper
adjustment to allow adjustable opening
and closing speeds, and a restrictor
adjustment to allow adjustments to
make for inlet pressure variability and
loading pressure oscillations.
The type SA/2 stabilizer filter must be
used with PRX/120 series pilots when the
PRX/120 are installed in FL, Cronos, 971
and EZH series regulators.
The PRX Series pilots can be installed in
the following equipment:
• FL Series
• Cronos Series
• EZH Series
• EZR Series
• Type 971
• VS-FL Series
• BM5 Series
• BM6X Series
Available Configurations
Types PRX/120 and PRX-AP/120:
Pilots for Regulator or Monitor Control
Types PRX/125 and PRX-AP/125:
Pilots for Working Monitor Control
Types PRX/181-PN, PRX-AP/181-PN,
PRX/182-PN and PRX-AP/182-PN:
Pilots for OS/80X-PN Slam-Shut Device
Types PRX/131 and PRX-AP/131:
Pilots for Booster Valve
Type PRX/182 and PRX-AP/182:
Pilots for Relief Valve
End Connection Styles
1/4" NPT female threaded
• High Sensitivity
• Improved Performance
• High Accuracy
• Easy Setting
Pressure Ratings
Types PRX/120 and PRX/125:
Allowable Pressure: 100 bar
Set Range: 1 to 40 bar
Types PRX-AP/120 and PRX-AP/125:
Allowable Pressure: 100 bar
Set Range: 30 to 80 bar
Types PRX/131, PRX/182, PRX/181-PN,
and PRX/182-PN:
Allowable Pressure: 100 bar
Set Range: 0.5 to 40 bar
Types PRX-AP/131, PRX-AP/182,
PRX‑AP/181-PN, and PRX-AP/182-PN:
Allowable Pressure: 100 bar
Set Range: 30 to 80 bar
Temperature Capabilities
Standard Version:
Working: -10° to 60°C
Low Temperature Version:
Working: -20° to 60°C
PRX Series:
2.3 kg
PRX-AP Series:
2.5 kg
1.5 kg
For full details consult the documenta-
tion available on our website:
Type PRX
Type SA/2
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